1.3.1.96	Botryococcus squalene synthase	botryococcenes and methylated squalene biosynthesis	
1.3.1.97	botryococcene synthase	botryococcenes and methylated squalene biosynthesis	
2.5.1.103	presqualene diphosphate synthase	botryococcenes and methylated squalene biosynthesis